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1SDA054377R1 ABB T5L 400 PR222DS/P-LSI 400A 4-Pole MCCB
ABB 1SDA054377R1 is a T5L 400 fixed four-pole moulded case circuit breaker with a 400 A PR222DS/P-LSI electronic trip unit, LSI protection and 120 kA ultimate breaking capacity at 380/400/415 V AC.
£4,443.66
Why Choose the ABB 1SDA054377R1 T5L 400 Moulded Case Circuit Breaker?
The ABB 1SDA054377R1, designated T5L 400 PR222DS/P-LSI In=400 4p F F, is a high-performance moulded case circuit breaker (MCCB) designed for demanding low-voltage power distribution systems. Part of the ABB SACE Tmax T5 series, it combines a 400 A current rating with the PR222DS/P-LSI solid-state electronic release and the high short-circuit performance of the T5L platform.
The PR222DS/P-LSI electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection. This LSI protection architecture supports coordinated protection of cables, feeders and distribution equipment while providing the flexibility required for complex industrial and commercial electrical systems.
The T5L 400 is supplied as a fixed four-pole circuit breaker with front terminals. It has a rated operational voltage of up to 690 V AC and an ultimate short-circuit breaking capacity of 120 kA at 380/400/415 V AC, making it suitable for installations where substantial prospective fault currents must be safely interrupted.
Key Advantages
- High-performance ABB SACE Tmax T5L moulded case circuit breaker for demanding low-voltage distribution.
- 400 A PR222DS/P-LSI electronic release provides advanced electronic overcurrent protection.
- LSI protection functions provide long-time, short-time and instantaneous protection.
- High 120 kA ultimate breaking capacity at 380/400/415 V AC.
- Four-pole configuration supports switching across four conductors in suitable distribution systems.
- Fixed mounting with front terminals enables practical integration into low-voltage switchboards.
Key Features
- ABB SACE Tmax T5L 400 series.
- 400 A rated uninterrupted current.
- 400 A PR222DS/P-LSI solid-state electronic release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Four-pole circuit breaker configuration.
- Fixed mounting construction.
- Front terminals for main circuit connections.
- L short-circuit performance level.
Reliable Electronic Protection for Industrial Power Distribution
The ABB PR222DS/P-LSI solid-state release provides three complementary protection functions for effective coordination within low-voltage distribution systems. Long-time protection responds to sustained overload conditions, short-time protection provides controlled response to short-circuit currents, and instantaneous protection enables rapid interruption of severe faults.
Combined with the T5L platform's 120 kA ultimate breaking capacity at 380/400/415 V AC, four-pole construction, fixed mounting and front terminals, the 1SDA054377R1 provides a robust solution for industrial switchboards, commercial distribution assemblies and other installations requiring a 400 A electronic MCCB with high fault-current interruption capability.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main and feeder protection in electrical switchboards.
- Three-phase four-wire distribution systems.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure power distribution.
- Installations requiring LSI electronic protection and high short-circuit interruption capability.
Technical Specifications
| Series | SACE Tmax T5 |
|---|---|
| ABB order code | 1SDA054377R1 |
| Product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T5L 400 |
| Rated uninterrupted current (Iu) | 400 A |
| Trip-unit rated current (In) | 400 A |
| Trip unit | PR222DS/P-LSI solid-state electronic release |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Number of poles | 4 |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Ultimate short-circuit breaking capacity (Icu) | 200 kA at 220/230 V AC |
| Rated short-time withstand current (Icw) | 5 kA for 1 s |
| Short-circuit performance level | L |
| Mounting | Fixed |
| Terminal arrangement | Front terminals |
| Maximum test voltage | 3500 V |
| Standard | IEC |
| Electrical durability | 7,000 cycles |
| Mechanical durability | 20,000 cycles |
| Dimensions (H × W × D) | 205 × 186 × 103.5 mm |
| EAN | 8015644554750 |
Frequently Asked Questions
What is the ABB 1SDA054377R1 used for?
The ABB 1SDA054377R1 is a four-pole moulded case circuit breaker designed to protect demanding low-voltage power distribution circuits against overload and short-circuit conditions.
What is the rated current of the ABB 1SDA054377R1?
The 1SDA054377R1 has a rated uninterrupted current of 400 A and is equipped with a 400 A PR222DS/P-LSI electronic release.
What protection does the PR222DS/P-LSI trip unit provide?
The PR222DS/P-LSI provides long-time overload, short-time short-circuit and instantaneous short-circuit protection, commonly referred to as LSI protection.
What is the breaking capacity of the ABB 1SDA054377R1?
The T5L 400 provides an ultimate short-circuit breaking capacity of 120 kA at 380/400/415 V AC, with breaking capacity varying according to the system voltage.
What is the maximum rated operational voltage of the ABB 1SDA054377R1?
The circuit breaker has a rated operational voltage of up to 690 V AC.
How many poles does the ABB 1SDA054377R1 have?
The 1SDA054377R1 is a four-pole MCCB suitable for applications requiring switching across four conductors.
How is the ABB 1SDA054377R1 installed?
The circuit breaker is supplied in a fixed configuration with front terminals for permanent integration into low-voltage switchboards and distribution assemblies.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers provide dependable electronic overcurrent protection, flexible protection coordination and robust short-circuit interruption for demanding industrial and commercial low-voltage power distribution systems.
